Obs. [f. L. tartare-us (f. TARTARUS) + -OUS.] Of or pertaining to Tartarus; Tartarean, infernal, hellish, very wicked.
1619. Bainbridge, Descr. Late Comet, 37. Never was there more need of circumspection, then in this fæculent and tartareous age. [Here perh. a fig. use of prec.]
1667. Milton, P. L., VII. 238. The Spirit of God … downward purg’d The black tartareous cold infernal dregs Adverse to life.
